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2006-3-1  The purpose of this paper is to examine the effects on compressive strength of various dosages of monofilament polypropylene fibres when used in concrete. Compressive strength is widely used as the key indicator of concrete quality and therefore needs accurate determination.

Compressive strength of concrete with polypropylene fibre ...

The purpose of this paper is to examine the effects on compressive strength of various dosages of monofilament polypropylene fibres when used in concrete. Compressive strength

2016-7-21  The compressive strength values of the cube specimens at the age of 28 days are as shown in fig 3. It has been observed that the compressive strength of concrete for the cubes with polypropylene fiber 1%, 1.50% and 2% is more than that of cubes without polypropylene fiber 26 N/mm2, 26.40 N/mm2 and 28 N/mm2 respectively compare with control mix without polypropylene fiber as compressive strength was 25 N/mm2. This may be due to the fact that the polypropylene fiber will effectively hold the micro cracks in concrete mass. The percentage increase in the compressive strength for the cubes with polypropylene fiber 1%, 1.5% and 2% compared to the cubes without polypropylene fiber

2020-6-1  Addition of 0.1% fibres led to a minor reduction (2%) in compressive strength while the tensile strength increased by 39% with the same fibre content compared to the plain concrete. The experimental result with inclusion of 0.1–0.3% fibre in concrete indicated that plastic shrinkage cracks were reduced by 50–99% compared to the plain concrete.

2020-11-30  It is observed form the fig 1 that the cube compressive strength increased upto 1.5 % fiber content there after strength is decreased at 2.0% of fiber content. The cube compressive strength observed as 40.9 N/mm2 for 0.5% of fibers, 44.12 N/mm2 1% of fibers and 45.25 MPa for 1.5% fiber content in the concrete at 28 days. The compressive strength was decreased to 40.50 N/mm2 for 2% fiber content. There is a reduction in slump with increase in fiber content, especially beyond 1.5% dosage. However, The compressive strength

The results showed that compressive strength of high-strength concretes without using polypropylene fibers decreased in post-combustion compared with specimens without

2016-9-4  Compressive strength of 1.5% of blended length polypropylene fiber reinforced concrete has found to be 17% increase in strength, when compared to that of Conventional concrete. Strength enhancement in split tensile strength is 22%, flexural strength is 24%and modulus of elasticity is 11% compared to that of Conventional concrete. The experimental studies proved to be the best method or way in providing strong and durable concrete. It is observed 1.5% fiber in concrete yields max. strength.

2019-7-1  10% and 15% by replacement of equal weight of cement in concrete. Polypropylene fibers were added in 0%, 0.20%, 0.40% and 0.60% by volume fraction of concrete. The experimental test results demonstrated that addition of polypropylene fibers at 0.4% volume fraction showed considerable gain of flexural strength of 4.95 MPa and 7.32

2015-8-30  Compressive strength vs percentage of fibre for M 25 Design mix The graph represents the compressive strength of concrete cube with 0-3% of Fibre to weight of cement with 0% as standard concrete. With the addition of fibre the compressive strength of concrete cube increased by 0.23 % at 0.5 % fibre content, 9.56% at

2009-11-13  Adding polypropylene fibers to the concrete has led to a slight decrease in the compressive strength and modulus of elasticity of the specimens. The strength was decreased slightly (up to 10 percent for specimens made of 6 mm length fibers). Besides, the compressive strength has been increased with the increase in the length of the polypropylene fibers. The compressive strength of 19 mm fibers concrete is almost equal to the control concrete.

2021-7-12  using two fibers steel and polypropylene. 1. EXPERIMENTAL STUDY ON COMPRESSIVE STRENGTH OF CONCRETE WITH STEEL-POLYPROPYLENE HYBRID FIBER - 1.1 Overview of the Project In this project steel and polypropylene fibers are used. Detailed information regarding these fibers is as follows: Steel fiber- cross-section. Steel fiber is especially used to ...

2016-7-21  3.2 Compressive Strength of Polypropylene Fiber On Concrete Mixes The compressive strength values of the cube specimens at the age of 28 days are as shown in fig 3. It has been observed that the compressive strength of concrete for the cubes with polypropylene fiber 1%, 1.50% and 2% is

2020-11-30  Keywords: Concrete, Polypropylene fibers, Compressive Strength, Split Tensile strength. I. INTRODUCTION In recent years, many studies have been conducted in the mechanical characteristics of reinforced fiber concrete. Such concrete is also used in retrofitting and repairing the covering of concrete structure, tunnels, etc. Polypropylene fibers (at

2009-11-1  This paper presents the results of an extensive experimental study on the compressive and splitting tensile strength of high-strength concrete with and without polypropylene (PP) fibers after heating to 600 °C.Mixtures were prepared with water to cementitious materials ratios of 0.40, 0.35, and 0.30 containing silica fume at 0%, 6%, and 10% cement replacement and polypropylene fibers content ...

2019-5-18  Split tensile strength was evaluated as per the test procedure given in Indian Standards IS.5816. In order to evaluate the splitting tensile strength of polypropylene fibre reinforced concrete, all the cylinder specimens were subjected to split tensile strength test in a

2019-1-10  Asad and Majid considered adding a great deal of PPF fibers have little influence on the compressive strength (50 mm long PPF fibers with 5% volume fraction), or even reduce the compressive strength (more than 1% volume fraction), but if lowering the content of fibers, it may enhance the compressive strength of concrete , .

Performance Evaluation Of Polypropylene Fiber

2021-3-16  polypropylene fiber reinforced concrete were established and compared with standards. The study suggested the significant improvement in compressive and tensile strength for concrete mixes reinforced with polypropylene fibers. The samples with added polypropylene fibers of 1% and 1.5% showed better results in comparison with the others.4

For cement mortars the reinforcement techniques by randomly distributed short fibers, contribute highly to their micro-cracking stabilization and to improvement of their flexibility and tensile strength. Among the wide different types of short fiber reinforcement that have been used in the past for mortars, those made of steel, polymers and natural fibers dominate the area.

2018-6-29  improvement in compressive strength. The type and amount of improvement is dependent upon the fiber type, size, strength and configuration and amount of fiber. Hybridization of steel fibers and polypropylene fibers can result in enhancement of properties of concrete by fulfilling

2020-12-18  Keywords: Fibre reinforced concrete (FRC), Compressive strength test and compressive strength. 1. INTRODUCTION Fiber-reinforced concrete (FRC) is a composite or structural material which consists of mortar, cement paste, or concrete with fibres of asbestos, glass, carbon, plastic, or steel which increases its structural integrity. It include

2020-11-30  Keywords: Concrete, Polypropylene fibers, Compressive Strength, Split Tensile strength. I. INTRODUCTION In recent years, many studies have been conducted in the mechanical characteristics of reinforced fiber concrete. Such concrete is also used in retrofitting and repairing the covering of concrete structure, tunnels, etc. Polypropylene fibers (at

2017-3-8  polypropylene fiber in improving concrete strength with the main focus of identifying the optimal quantity for improved compressive and flexural strengths of concrete. Destructive and non-destructive compressive strength tests and destructive flexural strength tests were carried out on the samples built with 0.25%, 0.5% 0.75% and

2016-9-4  Key Words: Polypropylene Fiber, workability, compressive strength, flexural resistance, split tensile strengths etc 1. INTRODUCTION The fiber dispersion into concrete is one of the technique to improve the building properties of concrete. Polypropylene fibers are synthetic fibers obtained as a by-product from textile industry.

Polypropylene fibre was added in concrete at the rate of 0.2%, 0.4% and 0.6%, and sand was replaced at a constant rate of 10% with palm oil biomass clinker. The flexural strength of concrete was noticed in the range of 2.25 MPa and 2.29 MPa, whereas, the higher value of flexural strength was recorded with 0.4% polypropylene fibre addition.

2015-8-30  Compressive strength vs percentage of fibre for M 25 Design mix The graph represents the compressive strength of concrete cube with 0-3% of Fibre to weight of cement with 0% as standard concrete. With the addition of fibre the compressive strength of concrete cube increased by 0.23 % at 0.5 % fibre content, 9.56% at

2021-8-17  Recently, however the development of polypropylene fiber-reinforced concrete (PFRC) has provided a technical basis for improving these deficiencies. This paper presents an overview of the effect of polypropylene (PP) fibers on various properties of concrete in fresh and hardened state such as compressive strength, tensile strength, flexural ...

Polypropylene 4.52 4.6 4.26 Compressive Strength 4.17 4.4 4.12 3.94 4.2 (N/mm2) 4 3.8 3.8 3.6 3.4 0 1 1.25 1.5 1.75 2 Percentage of Fibres Figure 2 Variation of Compressive strength of Hollow Concrete Blocks with various Percentage of Polypropylene Fibres It is observed that the compressive strength of the hollow concrete block with ...

The fibre was introduced in varying percentages (0.2%, 0.4%, and 0.6%) by weight of concrete. The compressive strength of concrete containing 0.4% polypropylene fibre at 28 days has the highest value of 32.22N/mm 2 as compared to 30.22N/mm 2 , 30.49N/mm 2

2021-3-16  8.37% in compressive strength, 11.45% in Flexural strength and 10.29% in Split tensile strength for M30 grade of concrete. . Strength Behaviour With Polypropylene Fiber The measured slump values of quarry dust concrete with constant water cement ratio 0.45 are found to be 92 and 86 mm for different mixes such as 0% quarry

2020-12-18  Keywords: Fibre reinforced concrete (FRC), Compressive strength test and compressive strength. 1. INTRODUCTION Fiber-reinforced concrete (FRC) is a composite or structural material which consists of mortar, cement paste, or concrete with fibres of asbestos, glass, carbon, plastic, or steel which increases its structural integrity. It include

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